EG4 WallMount 314Ah Indoor Battery + 6000XP Inverter

The EG4 6000XP delivers up to 6,000W split-phase output and supports seamless integration of solar, battery, and generator inputs, enabling continuous, reliable operation. Paired with the 314Ah battery – featuring 200A continuous output, 8,000+ cycle life, and an advanced BMS with real-time monitoring – this system ensures stable, long-lasting performance for homes and small businesses.

Designed for safe indoor installation, the battery includes self-heating for cold environments, RS485/CANBus communication for closed-loop integration, and a clean wall-mount design for easy setup. With smart energy controls and maintenance-free operation, this ESS is ideal for energy savings, outage protection, and off-grid living.

Ships From: Texas, USA
Warranty: 10 Years (Battery), 5 Years (Inverter)
Support: Lifetime USA-Based Tech Support

Compatibility

Integrated & Optimized System:

EG4 314Ah Indoor Battery + EG4 6000XP Inverter-Charger

Expandable & Flexible:

Compatible with other EG4 battery systems

Scalable energy storage for growing system needs

Supports off-grid, hybrid, and backup power applications

Key Features

• Complete ESS Solution – Battery + inverter system designed to work seamlessly together
• 6,000W Split-Phase Output – Reliable power for homes, cabins, and small businesses
• 16.1kWh LiFePO₄ Battery (314Ah) – High-capacity, safe indoor energy storage
• 200A Continuous Output (~9.6kW) – Supports whole-home and critical loads
• 8,000+ Cycle Life – Long-lasting performance at 80% DoD
• Advanced BMS Monitoring – Real-time system visibility and protection
• Self-Heating Function – Reliable operation in colder environments
• Closed-Loop Communication – Seamless coordination between battery and inverter
• Smart Energy Management – Supports load control, AC coupling, and peak shaving
• Wall-Mount Indoor Design – Clean, space-saving installation
• Maintenance-Free Operation – No routine servicing required

A compact, high-capacity energy storage system built for reliability, efficiency, and long-term energy independence.

Downloads & Specifications

Product Type:Low Voltage LFP Battery

Battery Type:Lithium Iron Phosphate (LFP)

Model Number:WM-48-314-IN-XX (XX is a number between 00 – 99)

Nominal Energy Capacity:16kWh

Usable Energy (DOD%):12.86kWh (80% recommended)

Voltage Range:47.5 – 57.6 VDC

Nominal Voltage:51.2 VDC

Capacity:314Ah

Charging Voltage Range:56 – 57 VDC

Discharging Cut-off Voltage:47.5 VDC

Max Continuous Charge Current:157A

Max Continuous Discharge Current:200A

Continuous Charge/Discharge Power:8/10.2 kW

Recommended Charging/Discharging Rate:0.5C

Peak Power:12.8kW (3 sec)

Round-trip Efficiency:95%

Max Parallel Units:16

Protection Features:Over/Under Voltage, Over-Current, Short Circuit, High/Low Temp

Battery Management System (BMS):Integrated, Active Balancing

Communication Protocols:RS485, CAN

Battery Breaker:250A

Storage Temperature Range**:-4 – 131°F (-20 – 55°C)

Humidity Range:5% – 95% RH (non-condensing)

Altitude:9843 ft. (<3000 m)

Cooling Method:Natural Convection

Dimensions (H × W × D):34.1 in. × 18.1 in. × 9.6 in. (865 mm × 460 mm × 245 mm)

Operating Temperature Range:Charge: 32 – 122°F (0 – 50°C); Discharging: -4 – 131°F (-20 – 55°C)

Recommended DOD Setting Note*:EG4 recommends this value be set no lower than 20% to maintain the recommended 80% Depth of Discharge.

Storage Temperature Note**:Less than 3 months of storage. If longer than 3 months, recommended storage temperature will be 59°F – 86°F (15°C – 30°C).

Weight:293.2 lbs. (133 kg)

Enclosure Rating:IP20

Mounting Options:Wall/Floor mount

Display/Indicators:LED Status

Connector Type:Degson quick connector/screw terminal

UL 1973:Yes

UL 9540:DC ESS, AC ESS with EG4 18kPV, 12kPV, FlexBOSS 21, FlexBOSS 18*

UL 9540A:Batt to Batt spacing of 6 in.

UN 38.3:Yes

FCC Part 15 (EMC):Yes

Protection Class:Class B

Cycle Life (70% EOL Capacity):10000 cycles @ 0.5C, 25°C, 80% DOD

Design Life*:10 years

Warranty:10 years or 10000 cycles

Application Type:Residential/Commercial/Off-grid/Backup

Lifetime Energy Throughput (Calculated):(51.2V×314Ah/1000×80%×10000/1000)90% = 115.7 MWh or (12861 kWh×10000 cycles×90% efficiency) = 115.7 MWh

Note:Information subject to change without notice.

Inverter Specifications

AC Voltage:120V AC / 240V AC

AC Frequency:50 Hz / 60 Hz

Max. Continuous AC Current:37.5A @ 240V

Max. AC Input Power:9000W

AC Bypass:50A

Output Voltage:120V AC / 240V AC

Output Frequency:50 Hz / 60 Hz

Max. Continuous Output Current:25A @ 240V

Output Power:6000W

Surge Capacity:12000W (3.5 sec) / 11000W (5 sec)

Power Factor:0.99 (Full Load)

Reactive Power Adjustment Range:-0.8 – 0.8 Leading Adjustable

Total Harmonic Distortion:<3%

Switching Time:<15 ms (Single) / <30 ms (Parallel)

No. of MPPTs (Inputs per MPPT):2 (1)

Max. Input Current:17A / 17A

Max. Short Circuit Input Current:25A / 25A

DC Input Voltage Range:100 – 480V DC

Start Up Voltage:100V DC ± 10V DC

MPPT Operating Voltage Range:120 – 385V DC

MPPT Voltage:320V DC

Max. PV Array Power:8000W (4000W per MPPT)

MPPT Efficiency:99%

Nominal Battery Voltage:48V DC

Battery Voltage Range:46.4 – 60V DC

Max. Discharge Current:140A

Max. Charge Current:125A

DC Cut-Off Voltage:59V DC

Operating Temperature:32°F – 113°F (0°C – 45°C)

Storage Temperature:5°F – 140°F (-15°C – 60°C)

Altitude:<6,561 ft (2000 m)

Relative Humidity:5 – 95%

Typical Noise Emission:<58 dB

Protection Rating:IP20

Max. Parallel Connections:16

Weight:52.9 lbs (24 kg)

Depth:5.25 in (132 mm)

Width:18 in (457 mm)

Height:25.5 in (648 mm)

Battery Downloads

SKU#: K0253, K0253, K0254, K0255, K025

Spec Sheet:DOWNLOAD

User Manual:DOWNLOAD

Quick Start Guide:DOWNLOAD

Certification of Compliance:DOWNLOAD

Certification of Conformity:DOWNLOAD

Inverter Downloads

SKU:K0253, K0253, K0254, K0255, K0256

Spec Sheet:DOWNLOAD

User Manual:DOWNLOAD

Monitoring System Guide:DOWNLOAD

Monitoring Adapter Installation Guide:DOWNLOAD

UL1741 Certificate:DOWNLOAD

Warranty:DOWNLOAD

CEC Listing – BigBattery ETHOS + EG4 6000XP:GO TO LINK

Warranty

EG4 WallMount Indoor Battery: 10-Year EG4 Manufacturer Warranty